5.2.  Device Configuration 
The hardware components to reproduce the connection procedures in this document are as 
follows: 
 
 
 
 
 
 
 
 
 
 
Programmable Multi-Axis 
Controller 
Servo Driver (1S-series with 
Built-in EtherCAT 
Communications) 
Ethernet cable (with industrial 
Ethernet connector) 
 
Precautions for Correct Use 
Prepare the ESI file described in this section in advance. Contact your OMRON 
representative for information on how to procure the ESI file. 
 
Precautions for Correct Use 
Do not share the connection line of EtherCAT communications with other Ethernet networks. 
Do not use devices for Ethernet such as a switching hub. 
Use the Ethernet cable (double shielding with aluminum tape and braiding) of Category 5 or 
higher, and use the shielded connector of Category 5 or higher. 
Connect the cable shield to the connector hood at both ends of the cable. 
 
This document describes model CK3M-CPU1□1as an example. The same procedures can 
apply to model CK5M-CPU1□1/CK3E-□□□□/.